package cn.lixuan.reggie.controller;

import cn.lixuan.reggie.common.R;
import cn.lixuan.reggie.dto.SetmealDto;
import cn.lixuan.reggie.entity.Category;
import cn.lixuan.reggie.entity.Dish;
import cn.lixuan.reggie.entity.Setmeal;
import cn.lixuan.reggie.service.CategoryService;
import cn.lixuan.reggie.service.DishService;
import cn.lixuan.reggie.service.SetmealDishService;
import cn.lixuan.reggie.service.SetmealService;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiImplicitParams;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

/**
 * @author: 李煊
 * @time: 2022/6/21 0021 7:33:36
 * @description: 套餐管理
 */

@RestController
@RequestMapping("/setmeal")
@Slf4j
@Api(tags = "套餐相关接口")
public class SetmealController {

    @Autowired
    private SetmealService setmealService;

    @Autowired
    private SetmealDishService setmealDishService;

    @Autowired
    private CategoryService categoryService;

    @PostMapping
    @CacheEvict(value = "setmealCache",allEntries = true) //清除setmealCache名称下,所有的缓存数据
    @ApiOperation(value = "新增套餐接口")
    public R<String> save(@RequestBody SetmealDto setmealDto) {
        setmealService.saveWithDish(setmealDto);
        return R.success("新增套餐成功");
    }

    /**
     * @author 李煊
     * @date 2022-06-21 08:30
     * @Description: 套餐分页查询
     */
    @GetMapping("/page")
    @ApiOperation(value = "套餐分页查询接口")
    @ApiImplicitParams({
            @ApiImplicitParam(name = "page",value = "页码",required = true),
            @ApiImplicitParam(name = "pageSize",value = "每页记录数",required = true),
            @ApiImplicitParam(name = "name",value = "套餐名称",required = false)
    })
    public R<Page> page(int page, int pageSize, String name) {
        Page<Setmeal> pageInfo = new Page<>(page, pageSize);
        Page<SetmealDto> dtoPage = new Page<>();

        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.like(name != null, Setmeal::getName, name);
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        setmealService.page(pageInfo, queryWrapper);

        BeanUtils.copyProperties(pageInfo,dtoPage,"records");
        List<Setmeal> records = pageInfo.getRecords();

        List<SetmealDto> list = records.stream().map(item -> {
            SetmealDto setmealDto = new SetmealDto();
            BeanUtils.copyProperties(item,setmealDto);

            Long categoryId = item.getCategoryId();
            Category category = categoryService.getById(categoryId);
            if(category != null){
                String categoryName = category.getName();
                setmealDto.setCategoryName(categoryName);
            }
            return setmealDto;
        }).collect(Collectors.toList());

        dtoPage.setRecords(list);

        return R.success(dtoPage);
    }

    /**
     * @author 李煊
     * @date 2022-06-21 08:43
     * @Description: 删除套餐
     */
    @DeleteMapping
    @CacheEvict(value = "setmealCache",allEntries = true) //清除setmealCache名称下,所有的缓存数据
    @ApiOperation(value = "套餐删除接口")
    public R<String> delete(@RequestParam List<Long> ids) {

        setmealService.removeWithDish(ids);
        return R.success("套餐数据删除成功");
    }

    /**
     * @author 李煊
     * @date 2022-06-21 11:28
     * @Description: 根据条件查询套餐数据
     */
    @GetMapping("/list")
    @Cacheable(value = "setmealCache",key = "#setmeal.categoryId + '_' + #setmeal.status", unless = "#result == null")
    @ApiOperation(value = "套餐条件查询接口")
    public R<List<Setmeal>> list(Setmeal setmeal){
        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(setmeal.getCategoryId() != null,Setmeal::getCategoryId,setmeal.getCategoryId());
        queryWrapper.eq(setmeal.getStatus() != null,Setmeal::getStatus,setmeal.getStatus());
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        List<Setmeal> list = setmealService.list(queryWrapper);
        return R.success(list);
    }
}
